With the modern CuboQ wireless Bluetooth headphones you can now listen to music for up to 6 hours in a row and talk on the phone for up to 10 hours without having to recharge the battery! Very comfortable thanks to their soft padded design (adjustable height: Max. approx. 20 cm). High-quality sound. No cables: Simply connect the headphones to your Bluetooth device. Bluetooth profiles: HSP, HFP, A2DP, AVRCP.